pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7553-DrunkenPiper_Bm.ps) >>/Users/jc/w/tmp/Tune-7553-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/DrunkenPiper_Bm.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_7553.log 450120 Log file, useful mostly for debugging
Coll_75534.log 975590 Log file, useful mostly for debugging
Tune-7553-DrunkenPiper_Bm.abc 727 ABC music file with the extracted tune(s)
Tune-7553-DrunkenPiper_Bm.ps 36609 PostScript
Tune-7553-DrunkenPiper_Bm.txt 727 Plain-text file with the extracted tune(s)
Tune-7553-get.log 5068 Log file, useful mostly for debugging
Tune-75536-Black_Horse-D-32-4.abc 420 ABC music file with the extracted tune(s)
Tune-75536-Black_Horse-D-32-4.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-75536-Black_Horse-D-32-4.ps 36388 PostScript
Tune-75536-Black_Horse-D-32-4.txt 420 Plain-text file with the extracted tune(s)
Tune-75536-get.log 5415 Log file, useful mostly for debugging
Tune-75537-get.log 5151 Log file, useful mostly for debugging
These files should be available for 24 hours.